Team Logo. Athletic Bilbao is a team in La Liga. They are nicknamed "Los Leones," which means the "Lions." They are one of only three teams that has played in every season of the league since its start. Retrieved from "https://prosportsteams.fandom.com/wiki/Athletic_Bilbao?oldid=15799" Categories: La Liga Teams Teams in Basque Country Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.